Use cucumber for integration tests

integration-tests/tests/common/balances.rs

@@ -14,39 +14,29 @@
 // You should have received a copy of the GNU Affero General Public License
 // along with Substrate-Libre-Currency. If not, see <https://www.gnu.org/licenses/>.
 
-use crate::common::*;
+use super::*;
 use sp_keyring::AccountKeyring;
 use subxt::PairSigner;
 
-#[tokio::test]
-async fn test_balance_transfer() -> Result<(), Box<dyn std::error::Error>> {
-    env_logger::init();
-
-    // Spawn a node
-    let (api, client, _process) = spawn_node().await;
-
-    let alice = PairSigner::new(AccountKeyring::Alice.pair());
-    let dave = AccountKeyring::Dave.to_account_id();
-
-    let events = create_block_with_extrinsic(
-        &client,
+pub async fn transfer(
+    api: &Api,
+    client: &Client,
+    from: AccountKeyring,
+    amount: u64,
+    to: AccountKeyring,
+) -> Result<()> {
+    let from = PairSigner::new(from.pair());
+    let to = to.to_account_id();
+
+    let _events = create_block_with_extrinsic(
+        client,
         api.tx()
             .balances()
-            .transfer(dave.clone().into(), 512)
-            .create_signed(&alice, ())
+            .transfer(to.clone().into(), amount)
+            .create_signed(&from, ())
             .await?,
     )
     .await?;
 
-    println!(
-        "Balance transfer extrinsic written in blockchain, events: {:?}",
-        events
-    );
-
-    // verify that Bob's free Balance increased
-    let dave_post = api.storage().system().account(dave, None).await?;
-    println!("Bob's Free Balance is now {}\n", dave_post.data.free);
-    assert_eq!(dave_post.data.free, 512);
-
     Ok(())
 }